Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Cooper
→
English
Kuiper
(doublet)
→
English
cooperon
(suffix)
→
English
Cooperian
(suffix)
→
English
Cooperite
(suffix)